Finding the Fourth Proportional to 600,787,590.78, 899,566,806.09 and 381,249,313.68
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Solution
The fourth proportional to 600,787,590.78, 899,566,806.09 and 381,249,313.68 is: 570,849,386.20
Step by Step Solution
- Step 1: Write the proportion equation
600,787,590.78 : 899,566,806.09 = 381,249,313.68 : x - Step 2: Convert to fraction form
600,787,590.78/899,566,806.09 = 381,249,313.68/x - Step 3: Cross multiply
600,787,590.78x = 899,566,806.09 × 381,249,313.68 - Step 4: Simplify right side
600,787,590.78x = 342,959,227,433,771,136 - Step 5: Solve for x
x = 342,959,227,433,771,136/600,787,590.78 - Step 6: Final answer
x = 570,849,386.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.